Power plants in Umatilla County, Oregon
17 operating power plants in Umatilla County, Oregon, with 2,579 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Umatilla County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | McNaryHydro | 851 | 4,016 | 46.3% |
| 2 | Hermiston Power PartnershipNatural gas | 689 | 2,989 | 49.5% |
| 3 | Hermiston Generating PlantNatural gas | 621 | 2,998 | 55.1% |
| 4 | FPL Energy Vansycle LLC (OR)Wind | 123 | 225 | 20.9% |
| 5 | Vansycle II Wind Energy CenterWind | 102 | 320 | 35.7% |
| 6 | Eurus Combine Hills Turbine Ranch 2Wind | 66 | 137 | 23.7% |
| 7 | Combine Hills IWind | 43 | 61.2 | 16.3% |
| 8 | VansycleWind | 25 | 54.9 | 25.1% |
| 9 | Chopin Wind LLCWind | 10 | 26.3 | 30.0% |
| 10 | Oregon Trail Windfarm LLCWind | 9.9 | 22.3 | 25.7% |
| 11 | Four Corners Windfarm LLCWind | 8.0 | 19.5 | 27.8% |
| 12 | Schumann Wind FarmWind | 8.0 | 23.1 | 33.0% |
| 13 | Ward Butte Windfarm LLCWind | 6.6 | 14.9 | 25.8% |
| 14 | NorWest Energy 9 LLCSolar | 6.0 | 12.2 | 23.1% |
| 15 | Butter Creek Power LLCWind | 5.0 | 9.7 | 22.2% |
| 16 | Pilot Rock Solar 2Solar | 3.0 | 0.3 | – |
| 17 | Pilot Rock Solar 1Solar | 2.0 | 0.4 | – |
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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